APAR status
Closed as program error.
Error description
Error Message: A java/lang/NullPointerException exception occurs when SomeClass.class.getPackage() returns null and then any method of the resulting package is called. . Stack Trace: N/A .
Local fix
Problem summary
There is a race condition between loading a class in the bootstrap classloader and creating its package definition where the class can be found by another thread even though the package hasn't been defined.
Problem conclusion
The JVM has been updated to close the timing hole in package creation for the bootstrap loader. . This APAR will be fixed in the following Java Releases: 8 SR4 (8.0.4.0) . Contact your IBM Product's Service Team for these Service Refreshes and Fix Packs. For those running stand-alone, information about the available Service Refreshes and Fix Packs can be found at: https://www.ibm.com/developerworks/java/jdk/
Temporary fix
Comments
APAR Information
APAR number
IV91664
Reported component name
J9 COMMON CODE
Reported component ID
620700127
Reported release
270
Status
CLOSED PER
PE
NoPE
HIPER
NoHIPER
Special Attention
NoSpecatt / Xsystem
Submitted date
2016-12-20
Closed date
2017-03-01
Last modified date
2017-03-01
APAR is sysrouted FROM one or more of the following:
APAR is sysrouted TO one or more of the following:
Fix information
Fixed component name
J9 COMMON CODE
Fixed component ID
620700127
Applicable component levels
R260 PSY
UP
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Document Information
Modified date:
21 February 2022